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Amazon.com : Herm Sprenger Ultra-Plus Prong Dog Training Collar Steel Chrome Plated Dog Prong Collar 3.0 mm x 22", Pinch Collar for Dogs, Dog Correction Collar : Pet Supplies
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LELINTA Training Metal Gear, Prong Pet Collar, with Quick Release Buckle and Rubber Caps, Plated, Easy-On and Training Dog Collar for Medium and Large Dogs - Walmart.com
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