Design
Keep the ends of the channeling long so you can accommodate different length wires, Sew the wire channeling to the outside of the frame, Sew a G-Hook to the channeling so you can hook your strap to the bra without tester cups, Sew on strap and hook & eye
Other Bra Details
Bras come in a variety of styles, including backless, balconette, convertible, shelf, full cup, full coverage bra, demi-cup, minimizing, padded, plunge, lounge bra, posture, push-up, racerback, sheer, strapless, T-shirt, underwire, unlined, and soft cup