diff -r dda33caa609d -r e81dc9bef8b8 hedgewars/uGearsList.pas
--- a/hedgewars/uGearsList.pas	Sun Oct 14 00:22:33 2012 +0400
+++ b/hedgewars/uGearsList.pas	Sun Oct 14 13:35:15 2012 -0400
@@ -251,9 +251,8 @@
                 gear^.Timer:= 500;
                 end;
        gtKnife: begin
-                gear^.Density:= _0_5;
-                gear^.Radius:= 1;
-                gear^.CollisionMask:= $FF00;
+                gear^.Density:= _4;
+                gear^.Radius:= 16
                 end;
         gtCase: begin
                 gear^.ImpactSound:= sndGraveImpact;