The ornamental design for a pair of interdigitalpad and splint straps for the first and second toes, as shown and described.
FIG. 1 is a perspective view from the right rear of one of a pair of interdigital pad and splint straps for the first and second toes, showing our new design for the right foot, a second one of a pair of interdigital pad and splint straps for the first and second toes for the left foot being a mirror image thereof;