For self-extracting crankset bolts whose retaining rings have pin holes:
1. Obtain one fork from kitchen 2. Bend (two?) inner tines forward or backward 90 degrees. 3. Bend the two outer tines so that the distance between them corresponds to the distance between opposite pin holes in the self-ext. bolt's retaining ring 4. Insert tines in holes and twist. 5. Conceal evidence of cutlery mutilation from wife/girlfriend to avoid usual scolding and possible escalation of hostilities into a major row over household degenerating into a workshop, $%%^$# bicycles....
5. Conceal evidence of cutlery mutilation from wife/girlfriend to avoid usual scolding and possible escalation of hostilities into a major row over household degenerating into a workshop, $%%^$# bicycles....
That is the really hard part!
-- "Bicycling is a healthy and manly pursuit with much to recommend it, and, unlike other foolish crazes, it has not died out." -- The Daily Telegraph (1877)