| 摘要 |
An exercise device is intended for strengthening a user's targeted muscle, wherein the user may manipulate the device without the necessity of a forceful grip that employs the user's conjunctive muscles. The device includes a housing having a pair of diametrically-opposed portions. The housing has an opening formed therein defined by the walls of the device. A weight is disposed in the housing. A plurality of extending and recessed ribs are arranged to provide for aligning the portions of the housing together and improving the structural integrity of the device. Ventilation slots are provided for improving air flow through the device, so as to avoid the build-up of heat therein. Lip segments are formed on the portions of the housing which are aligned to form a lip on the outer wall of the housing. The lip is disposed over the opening in which the user's hand is inserted.
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