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
WITH ALL THE COMFORTS
When it comes to building a country house, it almost always implies that all "amenities" will be equipped in the yard. These include a shower (bathroom), toilet, bathhouse, and...
UNSCREW THE SCREW…
When you do not have a suitable spanner to Unscrew the hex-head bolt will help out any screw with two nuts — preferably square-shaped.
