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
POCKET GRILL
The design of this portable barbecue grill is convenient to use in field conditions (e.g., hikers, hunters or fishermen), and in the garden area or in the country for quick cooking...
BOARD AND SAIL
On the coast of California, Hawaii, Australia, that is where the huge surf rolls over the waves on a sandy shore, has long cultivated an unusual sport — surfing (from the English. SURF —...