diff --git a/Fonderie/craplist2h.awk b/Fonderie/craplist2h.awk
index 89d07db..bd6c8ec 100755
--- a/Fonderie/craplist2h.awk
+++ b/Fonderie/craplist2h.awk
@@ -11,6 +11,9 @@ BEGIN	{
 	print "// -----------------------------------"
 	}
 
+#		$1 is the badly brain-designed numeric id
+#		$2 is the user name of the filter
+
 	{
 	printf "#define    CR_%s    (%d)\n", $2, $1
 	}
diff --git a/Fonderie/craplist2str.awk b/Fonderie/craplist2str.awk
index 9a431e9..47f73e9 100755
--- a/Fonderie/craplist2str.awk
+++ b/Fonderie/craplist2str.awk
@@ -11,6 +11,10 @@ BEGIN	{
 	print "Crapulor CrapL[] = {";
 	}
 
+#		$1 is the badly brain-designed numeric id
+#		$2 is the user name of the filter
+#		$3 and $4 are two not used parameters
+#
 	{
 	printf "   { CR_%s, \"%s\", %d, %f }, // id=%d\n",
                         $2,    $2,   $3, $4,           $1;
diff --git a/Fonderie/crapulator.c b/Fonderie/crapulator.c
index a4dcd5e..3f8890f 100644
--- a/Fonderie/crapulator.c
+++ b/Fonderie/crapulator.c
@@ -157,7 +157,7 @@ return retval;
  *	processor.
  */
 
-#define DEBUG_THIS_CRAP		100
+#define DEBUG_THIS_CRAP		0
 
 int crapulator(FloatImg *image, int idFx, float fval)
 {
@@ -273,6 +273,9 @@ switch (idFx) {
 	case CR_bsombra:			/* experiment ! */
 		retval = des_bords_sombres_a(image, 160);
 		break;
+	case CR_bsombrb:			/* experiment ! */
+		retval = des_bords_sombres_b(image, 160);
+		break;
 	case CR_vsglitch:
 		/* please make this function more tweakable */
 		retval = vertical_singlitch(image, 290+rand()%45,
diff --git a/Fonderie/crapulors.liste b/Fonderie/crapulors.liste
index 7d3054a..3973cd3 100644
--- a/Fonderie/crapulors.liste
+++ b/Fonderie/crapulors.liste
@@ -23,12 +23,13 @@
 22	sqrt		1	0.0
 23	pow2		1	0.0
 24	bsombra		1	1.0
-25	vsglitch	1	1.0
+25	bsombrb		1	1.0
 26	rndblks		1	1.0
 27	shiftln0	1	1.0
 28	qsortrgb	2	1.0
 30	multidots	100	1.333
 31	diagonal	1	1.0
+32	vsglitch	1	1.0
 42	nothing		42	3.1415926
 45	hilightr	1	1.717
 99	message		1	1.0
diff --git a/Fonderie/fonderie.c b/Fonderie/fonderie.c
index 74c8e96..29f83e2 100644
--- a/Fonderie/fonderie.c
+++ b/Fonderie/fonderie.c
@@ -249,7 +249,7 @@ if (foo) {
 	exit(1);
 	}
 
-if (verbosity) {
+if (verbosity > 1) {
 	filterstack_list(0, "input");
 	filterstack_list(1, "ouput");
 	fprintf(stderr, ".\n");
diff --git a/Fonderie/glitches.c b/Fonderie/glitches.c
index 3762afc..ebe468a 100644
--- a/Fonderie/glitches.c
+++ b/Fonderie/glitches.c
@@ -16,6 +16,24 @@
 
 extern int		verbosity;
 
+/*   --------------------------------------------------------------   */
+/* 10 mai 2021 a Terre Blanque */
+int microglitch(FloatImg *pimg, int notused)
+{
+int		surface;
+int		offset, idx;
+
+surface = pimg->width * pimg->height;
+
+for (idx=0; idx<10000; idx++) {
+	offset = rand() % surface;
+	pimg->R[offset] *= 0.8;
+	pimg->G[offset] *= 0.8;
+	pimg->B[offset] *= 0.8;
+	}
+
+return 0;
+}
 /*   --------------------------------------------------------------   */
 /* nouveau du 32 decembre 2020, endless september                 */
 int do_something(FloatImg *pimg, int notused)
diff --git a/Fonderie/glitches.h b/Fonderie/glitches.h
index b46b83f..84ad980 100644
--- a/Fonderie/glitches.h
+++ b/Fonderie/glitches.h
@@ -2,6 +2,8 @@
  * 		glitches.h
  */
 
+int microglitch(FloatImg *pimg, int notused);
+
 int do_something(FloatImg *pimg, int notused);
 int plot_multidots(FloatImg *picture, int notused);
 
diff --git a/Fonderie/sfx.c b/Fonderie/sfx.c
index f987cb1..fb05296 100644
--- a/Fonderie/sfx.c
+++ b/Fonderie/sfx.c
@@ -287,7 +287,7 @@ fprintf(stderr, ">>> %s ( %p %d )\n", __func__, pimg, offset);
 #endif
 
 if (offset<0 || offset>=pimg->width) {
-	fprintf(stderr, "%s offset %d is bad\n", __func__, offset);
+	fprintf(stderr, "%s: offset %d is bad\n", __func__, offset);
 	return -66;
 	}
 
@@ -309,6 +309,23 @@ for (y=0; y<pimg->height; y++) {
 return 0;
 }
 /* -------------------------------------------------------------- */
+/* nouveau Mon 10 May 2021 08:46:02 PM CEST
+ *	chez Eric 1KA						*/
+int des_bords_sombres_b(FloatImg *pimg, int offset)
+{
+
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %d )\n", __func__, pimg, offset);
+#endif
+
+if (offset<0 || offset>=pimg->width) {
+	fprintf(stderr, "%s: offset %d is bad\n", __func__, offset);
+	return -66;
+	}
+
+return -1;
+}
+/* -------------------------------------------------------------- */
 /*
  *   int binarize(FloatImg *pimg, int notused) was now in
  *				funcs/sfx2.c
diff --git a/Fonderie/sfx.h b/Fonderie/sfx.h
index 1aa734e..1463f87 100644
--- a/Fonderie/sfx.h
+++ b/Fonderie/sfx.h
@@ -15,6 +15,7 @@ int mirror_split(FloatImg *pimg, int kaboo);
 int upside_down(FloatImg *pimg);
 
 int des_bords_sombres_a(FloatImg *pimg, int offset);
+int des_bords_sombres_b(FloatImg *pimg, int offset);
 
 int brotche_rand48_a(FloatImg *fimg, float ratio, float mval);
 int brotche_rand48_b(FloatImg *fimg, float ratio, float mval);
diff --git a/Fonderie/singlepass.c b/Fonderie/singlepass.c
index 7c64b8f..b8791a0 100644
--- a/Fonderie/singlepass.c
+++ b/Fonderie/singlepass.c
@@ -15,6 +15,7 @@
 #include  "crapulator.h"
 #include  "filterstack.h"
 #include  "single.h"
+#include  "glitches.h"
 
 /* ----------------------------------------------------------- */
 
@@ -23,11 +24,11 @@
 int		verbosity;
 
 /* ----------------------------------------------------------- */
-int run_the_singlepass(char *globber, char *destdir,
+int run_the_singlepass(char *globber, char *destdir, int duplic,
 					int fchain, int outfmt)
 {
 FloatImg	image = { 0 };
-int		idx, foo;
+int		idx, foo, loop;
 glob_t		globbuf;
 char		*fname;
 double		elapsed;
@@ -98,10 +99,17 @@ for (idx=0; idx<globbuf.gl_pathc; idx++) {
 		return foo;
 		}
 
-	foo = single_push_picture(&image);
-	if (foo) {
-		fprintf(stderr, "error %d on push_picture\n", foo);
-		return foo;
+	/* HERE WE CAN REPEAT THE INSERT OF THE PICZ */
+	for (loop=0; loop<duplic; loop++) {
+		foo = single_push_picture(&image);
+		if (foo) {
+			fprintf(stderr, "error %d on push_picture\n", foo);
+			return foo;
+			}
+		if (loop) {
+			/* this is just a wip XXX */
+			microglitch(&image, loop);
+			}
 		}
 	}
 
@@ -129,6 +137,7 @@ puts("\t-F\tdefine:the:filter:chain");
 puts("\t-g\tinput glob pattern");
 puts("\t-L\tlist available filters");
 puts("\t-O\t/output/directory   (default ./p8)");
+puts("\t-r N\trepetiiing factor");
 // puts("\t-s\tdo single test");
 puts("\t-v\tspit more messages");
 
@@ -144,6 +153,7 @@ char		*globbing    =   "./capture/?????.fimg";
 char		*outdir      =   "./p8";
 // char		*outtype     =   ".png";
 int		do_xper = 0;
+int		repeat = 1;
 
 fprintf(stderr, "*** %s : compiled %s %s\n", __FILE__,
                         __DATE__, __TIME__);
@@ -154,7 +164,7 @@ if (argc < 2) {
 	help();
 	}
 
-while ((opt = getopt(argc, argv, "hF:g:LO:svx")) != -1) {
+while ((opt = getopt(argc, argv, "hF:g:LO:r:svx")) != -1) {
 	switch (opt) {
 		case 'h':	help();			break;
 
@@ -167,6 +177,8 @@ while ((opt = getopt(argc, argv, "hF:g:LO:svx")) != -1) {
 
 		case 'O':	outdir = optarg;	break;
 
+		case 'r':	repeat = atoi(optarg);	break;
+
 		case 'v':	verbosity++;		break;
 
 		case 'x':	do_xper = 1;		break;
@@ -178,6 +190,11 @@ while ((opt = getopt(argc, argv, "hF:g:LO:svx")) != -1) {
 
 	}
 
+if (repeat < 1) {
+	fprintf(stderr, "%s: loop %d invalid\n", argv[0], repeat);
+	exit(2);
+	}
+
 foo = parse_filter_chain(FILTERS, filterchain);
 if (foo) {
 	fprintf(stderr, "err %d in parse_filter_chain\n", foo);
@@ -189,11 +206,13 @@ if (verbosity) {
 	fprintf(stderr, "\tinput glob        %s\n", globbing);
 	fprintf(stderr, "\tfilter chain      %s\n", filterchain);
 	fprintf(stderr, "\toutput dir        %s\n", outdir);
+	fprintf(stderr, "\trepeat            %d\n", repeat);
 	// fprintf(stderr, "\toutput type       %s\n", outtype);
 	fprintf(stderr, "\tdo xper           %d\n", do_xper);
 	}
 
-foo = run_the_singlepass(globbing, outdir, FILTERS, FILE_TYPE_PNG);
+foo = run_the_singlepass(globbing, outdir, repeat,
+					FILTERS, FILE_TYPE_PNG);
 fprintf(stderr, "\n\tRun the single pass --> %d\n", foo);
 
 return 0;