Shopping rocks.

Elsewhere I've suggested creating a shopping list of bottom shelf items... and send your sub out in a short skirt, no panties, and not allowed to bend her knees.

A shopping list of sexual items, such as lube, and required to ask a male clerk his opinion of the various choices.

Shoe shopping in a short skirt, again pantiless of course.

Go lingerie shopping and insist she model the choices for you... out where she can be observed... even better if you can arrange someplace classy... and have the salesperson "assist" her making quick changes so you can compare colors... without having to wait while she would otherwise disappear into a dressing room.

Go furniture shopping... like for a dining room table... and have her test the height by leaning over the table... or over the back of a couch...