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
A SECOND DATE FROM BAIKONUR
Held in early October 2006 from Baikonur 16th world championship flying the sport has left an indelible impression on its participants and spectators, among whom were those who real...
THE SIMULATOR IN THE YARD
Now many boys are addicted to "rolling": by all available means trying to build muscles, the "pump". I think they might be interested in offer just a simulator, which can easily be...
