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.
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To lengthen the crib grown daughters, made a back flip. It turned out — a double benefit: in the daytime daughter is using her piece as a table for drawing, sculpting. V. SADAKO, Donetsk
