| 摘要 |
Disclosed herein is a device to trap a rodent comprising spring biased trap means movable from a first ready position to a second operational position to confine a rodent, retainer means to retain the trap means in the first ready position under the action of a downward retaining force, the retainer means being arranged to receive a bait element, the retainer means being further arranged so that the downward retaining force is equivalent to and provided by the weight of the bait element.
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