Rescue a old knife and her caps ...

Step 1:

Material:

a old Knife (shure) without cover,cauthchu,pvc electrical tube,magnet from a HS hdd,copper wire(rigid)

Step 2: How To

Turn around the handle with the copper wire(spiral mode) and stop it with the Caoutchouc.

It's rigid and sure in all conditions.

In the hot water for the 3 minutes,the Pvc tube is ready to mashed (plate),then join de rubber protection and

two magnet(between)...