This simple device facilitates the use of any tube, helping to squeeze it evenly and gently. It consists of a base in a hole which is inserted the tube, and turning a key with slit for exciting a planar end of the tube. The base and key are made of wooden bars of appropriate dimensions. Their interaction is clear from the figure.
Recommend to read
CANISTER-SURVIVOR
Experienced motorists have long noticed that the cans often "hidatsa" at the bottom corners. To extend the life of canisters, it is recommended to tie the box by rubber bands cut, for...
THE GRIP IN THE CLIP
No manual clutches are difficult to handle small parts. However, they are not all easy: "the production process" occurs on weight, what kind of accuracy. What if to fix the vise?...
