The ornamental design for a yogastrap, as shown and described.
FIG. 1 is a front perspective view of a yoga strap showing the new design;
FIG. 2 is a front elevation view of the yoga strap shown in an alternate configuration;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a top plan view of the yoga strap shown in another alternate configuration;
FIG. 9 is a bottom plan view thereof;
FIG. 10 is a left side plan view thereof; and,
FIG. 11 is a right side plan view thereof.
The broken lines immediately adjacent the shaded areas represent portions of the yoga strap that form no part of the claimed design. All other broken lines are directed to environment and form no part of the claimed design.