Military Tactical Hanging Key Hook Clip Clamp Buckle Nylon Webbing Molle Belt Carabiner Outdoor Strap Climbing Accessories - AliExpress
Tubular webbing for clamp
HMF the name of this sort of nylon webbing clamp/clip/fastener. it is commonly used on public transport to secure the hanging straps! I know the whole item is called a tsurikawa :
Military Tactical Hanging Key Hook Clip Clamp Buckle Nylon Webbing Molle Belt Carabiner Outdoor Strap Climbing Accessories - AliExpress
POWERTEC Deluxe Band Clamp with Quick-Release Lever 71101 - The Home Depot
16' Web Clamp - Lee Valley Tools
Band Clamp, 4 Steel Corners, 15-Ft. Nylon Webbing | IRISH TRAILS FARM & PET SUPPLY