Yeah she's not going anywhere: tie her to a post

You guide your bagged victim towards one of the thick poles from the wooden structure that surrounds the square. Normally they provides space for market stalls, today they're going to help you provide a show.

You grab her bra from where you discarded it, and tie the strap on one end to the belt holding the bag over her head in place. Then you sling it over one of the horizontal wooden beams from the market columnade, hoist to pull her arms up, and tie the other end around the beam.

You take a few steps back to admire your creation: the knight, so haughty barely a minute earlier, now stands between the columns, her shirt tied over her head and arms, suspended into the air from a crossbeam, exposed and wearing nothing but a garter belt underneath. She squirms with her legs trying to cover up her crotch, pants and panties dangling impotently from her ankles, and she has no hope whatsoever of covering her firm breasts, attracting your attention as they move along with her struggling.

Honestly, you think it's very sexy.