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
BARRIER TO INTERFERENCE
In recent years, and became noticeable interference in a household outlet, requiring protection home electronic equipment TVs, home audio, computers. These impairments lead to "tearing"...
SUN LOUNGE
Would you like to relax and indulge in sweet idleness, lying under the sun in a comfortable lounger in a cozy corner of your country yard? Tempting, right? To make this happen, you'll need...
