Bike pedals used to put a metal screw cap to protect the bearings from contamination. Now, instead, use the plastic plugs, which are often lost. Rescue plastic or nylon tubes from medical bubbles. Such substitutes being kept quite steady.
Recommend to read
WITH THE BALL IN THORNS
Old children's ball cut in half and put on garden shears, protects hands when cutting thorny plants.
Useful around the household
The magazine “Modelist-Konstruktor” has published many thematic selections about simple but effective homemade devices that no smallholding can do without (see, for example, issues 7’92,...
