These things weren't strong enough to hold a heat pack on my arm and keep it in place, even using all four of them. some products on Ebay are great but some of them turn out to be horrible like this one
2-Pack 16In Under Desk Cable Management Tray - Metal Wire Mesh Holder For Desks, Offices & Kitchens (White)
31 Review
7Colors-21Pack Reusable Silicone Twist Ties With Strong Magnets For Organizing Cables, Hanging Stuff, USB Cords & Fridge Magnets - Fironst 7.48" Magnetic Cable Ties
32 Review
Organize Your Cords With LuBanSir'S 3 Pack Extension Cord Storage Straps
27 Review
Leather Cable Straps - Organizers For USB, Headphone Wires | Cord Management Solution | 2 Sizes, 5 Colors | Gydandir
26 Review