Commercially available brushes have durable plastic pile, and cover with the mounting node of thin plastic is weak.
To extend sluzby brush, you need the screws to install the metal tube is pre-sawn its axis and tilting the petals.
Recommend to read
- Mil Mi-1
When in 1947 the head of the laboratory helicopteros Department of TSAGI Mikhail mil proposed for consideration of the interdepartmental Commission on development of the helicopter in... - WIRE PIGTAIL
If you want to twist the doubled wire, use the shown ways. Depending on the thickness of the wire, select the appropriate option: for a slim fit and a makeshift reamer with sewing coil...