variations of the boogies - the lower boogie having only
one coupling. There are 3 types of chains known:
-
chain link consisting of 2 circular
eyes bent by 90° along the axis
-
1 circular chain link and 1 oval link
- bent by 90° along the axis (see right side)
-
single oval chain links (see below)
|
and another variation,
with single oval
chain links |