These two photos are of the same person in the same place taken a few weeks apart.

Male back - whipped with a single-tail tipped with a leather cracker

Most of the welts were produced with a three-tailed tawse (tapered leather strap). Floggers and cats were also used.

-Whipping by Leatherback
-Photo by Leatherback, March 2000

Male back - whipped with a short single-tail tipped with a nylon cracker

Beautiful long stripes: Floggers and cats were also used. The subject actually likes wraps, so these were done intentionally.

Photo of the short single-tail used in this scene

"The impression of keen whips I'd wear as rubies" - WS, Measure for Measure, II, 4

-Whipping by Leatherback
-Photo by Leatherback, April 2000