The traditional method of fixing the hammer on the handle is wedging. Over time, however, the knot loosened and it is necessary to change the wedge or pen.
I suggest to fix a clogged wedge with a screw or rivet passed through the bore in the sidewall of the through hole.
Recommend to read
“VITAFON”
Improvised medical vibroacoustic device "Vitafon" is intended for the treatment of bronchitis, sinusitis, tonsillitis, arthritis, ulcers, open wounds, fractures, bruises, hemorrhoids....
“FLYING WING” REZINOMOTORNAYA
MODEL No. 1. This design is a continuation of work on improving the model, which is described in "M-K" (No. 1, 1972). For better aerodynamics it is applied to a fuselage of circular...