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
THAN NOT WATERING!
You need to carefully pour a viscous liquid (e.g. oil paint) from banks in a narrow-necked container or to fill in the gaps with the heated tar or mastic? Here you will rescue this type...
“CHASE” — SHOVEL
Not to spoil the shoes, pressing a foot on the bayonet spade when digging the earth, are advised to attach to the supporting edge of the bayonet a short section of rubber hose, cut it...