How about adding items to shopping cart like this way? by Leo Leung on Dribbble
OG Colourway (Create Your Own) - Custom Nike Jordan 1 Mid Trainers – MattB Customs
Dansko Marlee Occupational Sneaker for Women- Slip-On, Lightweight, Flexible, and Slip-Resistant with Arch Support for All-Day Comfort- Healthcare, Food Service, Salon Workers Black 5.5-6 M US | Lahdee.