Page 162 - Eric C. Fry - Knots and Ropework

Habitually used by lorry drivers to lash down loads it is
87 the combination of a knot and a purchase which has
been in use for many years as its name implies. The
Waggoners' purchase is very similar to a Spanish burton (without
blocks), giving a mechanical advantage which allows the
Hitch standing part to be bowsed-down really tightly, The bight
held on the left-hand side, Fig 7, would be around a clea t,
the right -hand end providing the hauling part It
comprises ha lf a sheep shank, Figs 1 to 3, w ith the bight
twisted severa l times, Figs 4 and 5, before the bight of the
hauling part is passed through. Fig 6, and arranged ready
for hauling, Fig 7.