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
SCREWDRIVER WITH CLIP
During Assembly or disassembly of the structure when access to the screws or threaded holes complicate other parts, very useful screwdriver with gripper, acting on the principle of a...
COMFORT ON TWO WHEELS
Car and motorcycle appeared almost simultaneously and peacefully coexist for more than a century. From time to time attempts have been made to combine the merits of both vehicles in a...
