Splint

FIG. 1 is a perspective view of the claimed design for a splint;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a third perspective view thereof, wherein the splint is shown with unclaimed subject matter.

The broken-line showing of a human hand in FIG. 5 is showing environment that forms no part of the claimed design.