diff --git a/Fonderie/crapulator.c b/Fonderie/crapulator.c
index 172f7207..110ff957 100644
--- a/Fonderie/crapulator.c
+++ b/Fonderie/crapulator.c
@@ -287,6 +287,10 @@ switch (idFx) {
 						fval, 0.19, 0);
 		break;
 
+	case CR_crumphard:	/* new june 1st 2021, in the bibcave */
+		retval = fimg_crump_hard(image, image, fval, 0);
+		break;
+
 	case CR_rndblks:
 		retval = random_blocks(image, 70);
 		break;
diff --git a/Fonderie/crapulors.liste b/Fonderie/crapulors.liste
index 496b8474..a66d743b 100644
--- a/Fonderie/crapulors.liste
+++ b/Fonderie/crapulors.liste
@@ -31,6 +31,7 @@
 30	multidots	100	1.333
 31	diagonal	1	1.0
 32	vsglitch	1	1.0
+33	crumphard	1	1.0
 42	nothing		42	3.1415926
 45	hilightr	1	1.717
 99	message		1	1.0