The use a variety of fuzes, a M61 pressure/friction fuze, a "tentacle" fuze with four hoses that triggers the mine when two of the opposite tentacles are crushed, and a tilt rod fuze.
The description refers to different types of explosives used in a device, including a M61 pressure/friction fuze, a "tentacle" fuze with four hoses that activates the mine upon crushing two opposing tentacles, and a tilt rod fuze.