Good for two terriers,
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This review is from: Rosewood Heavy Chain Couple, 3 mm (Misc.)
Your gear has to be sturdy if you have terriers. One of ours chewed through two nylon couplers before I found this one. It really does the job, and the price is very fair. I'd recommend this to anyone who has two dogs, and doesn't want two leashes being pulled in opposite directions.