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
AND “THE KID” CUT.
I'm a longtime admirer of the magazine "modelist-Konstruktor". In the publications of improvised technique find many useful, and most importantly — increased creativity and a desire to...
BATH FROM A BAR
Currently to build a sauna from a variety of building materials offered on the market today. The main criteria influencing the choice, become their own preferences, financial...