To provide a catheter capable of quickly reaching a high position of a beast's leg in a horizontal state and capable of quickly reaching a capture loop which makes it easy to carry and easy to install without digging a hole, We want to make it easy to catch, offer traps.SOLUTION: A catching loop mechanism 17 for enclosing a beast of a beast, a structure capable of separating a capturing loop 10 into a main body mechanism 16 which jumps from a horizontal state to a state, a plurality of different kinds of springs, A plurality of flip-up blades and arms which kick up the main body mechanism and mount the capture loop mechanism on the main body mechanism and place it on the ground. When stepping on the tread plate, the upper part of the spring stopper is released from the main body plate in conjunction, the stop is released, the bounce-up feathers and the arm kick the ground and jump up the main mechanism on which the loop mechanism is mounted, and the beast's feet are high Make the position reach quickly and tighten the capturing loop which is out of the loop distal in the horizontal state by the action of the cap of the capturing loop mechanism.(FIG.
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