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
BELKIN TRICKS
They say that squirrels dry mushrooms and berries — stock for the winter, — knots stringing them on trees. Don't know how true this is, but nevertheless it is this simple principle I...
NOT CLOGGED
Often in life there is a need to carefully pour some liquid from one vessel to another so as not to affect sediment on the bottom. Usually use the suction tube. But it is necessary to...