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1:1 anthro bear black_bear bulge clothed clothing collar collar_only grey_background hair hair_over_eye hi_res jockstrap jockstrap_only jrjresq male mammal marsh_(jrjresq)monochrome muscular muscular_anthro muscular_male nipples nude pecs raised_leg simple_background sitting solo spiked_collar spikes tongue tongue_out topless underwear underwear_only ursine