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.
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WEDGE AGAINST DRAFTS
Should open wide the window in the opposite room and from the powerful draught begin to shut the door. This will not happen if the walls are strengthened on the floor of a small wedge:...