A simple clamp can be made from a long bolt, washers and nuts-lamb. The jaw faces are made of solid wood.
Recommend to read
“CARDBOARD” FOR YOUNG CHAMPIONS
At the last Moscow on competitions of athletes-boys, the attention of the participants and the judges drew a graceful microtiter Victor Moskovkina for long races in the class FSR-3.5 mm....
A COMPASS CUTTER
Carefully cut a circle from the cardboard using scissors is very difficult. To help in this work can usually tsyrkul fixed in his foot, as shown in the figure, a razor blade.
