I tried your suggestion and put one layer of electrical tape on a case head. Bolt closed easy and imprinted on about 1/2 of the tape. Tried a second layer of electrician's tape - bolt still closes easy, this time the imprint is all around. Tried two layers of masking tape - closes easy, can't see any obvious imprinting.
No offence, but are you sure this is a valid test? I've never seen anything like head separation or obvious stretching.....
C.S.S.A.; N.F.A.; N.R.A. Life Member
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