Essential Workbench Accessory - A nail or screw protruding under your workbench…
Small Parts Clamp
The Year 9 Mechanical Toys section on this site has some really great explanations, photos, and videos about automata.
The Non Slip Loop Knot. Superb. The strongest loop knot you can tie. Used by big game anglers worldwide. Easy to tie, far stronger and more reliable than the old fashioned strangulating figure eight knot that can substantially weaken line.