The Anti-Clamp needs smooth, even surfaces for its suction cups to adhere to.

If your device has cracked glass or a slippery surface, follow this guide to apply the included tape pad.

Packing tape also works to cover a cracked display.

If your back glass is badly shattered, the tape might damage it further. Refer to your specific guide to use a suction handle instead.

If your device can be opened from both its screen and back cover, follow this guide to apply the included tape strips.