I wasn't sure whether to put this under toys or equipment as she sells both, but I thought I'd put it here.
In training class a couple weeks ago, our trainer saw that my dog loved to play tug with her leash. It's a sort of self-rewarding behavior for her and it gets her really amped up and excited. She suggested getting a leash that was specifically meant for tugging and mentioned Tillie's Tuggies.
http://www.etsy.com/shop/TilliesTuggies
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I purchased both a leash and a tug toy from her. They're made of braided fleece so they're strong, but also stretchy and give the dog something good to grab onto. She can also make "bite bars" that have sheepskin or rabbit fur woven into them. We got our leash with sheepskin and our tug with rabbit fur.
When you order your leash or tug, you can give her a specific colour scheme or tell her to just give you something out of the inventory she's already made. You choose rabbit or sheep for the bite bar, if you want one. And so you get a leash that's unique to you!
The leash is gorgeous and Dahlia just loves it. The first time we went out with it, she immediately grabbed onto it and started to play tug with it. I used it to amp her up and we played a lot of games while out. The tug toy was also an instant hit, as you can see.
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I highly recommend them!