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
CAMPER-DROP
A comfortable motorhome, easy to maneuver and suitable for towing; with a double bed and a fully equipped kitchenette. When plunging into adventure, you don’t have to give up the comfort...
THE BED-INVISIBLE
THE MYSTERY OF MY GRANDMOTHER'S TRUNK. Looking at it, you can assume anything you want, but not what is hidden inside... the bed. Here rises and becomes a headboard cover, opening rolled...