I find Holly's precious ring works for keeping her close. She's either running to fetch it and bring it back- for her, having the ring thrown is a reward in itself- or prancing around my feet wanting me to throw it! Having said that, I'll never again let her off lead with any other kind of toy. Chloe so far has been great, despite her 'naughty ruby' streak. I'm training her to the whistle for recall (won't work for holly), and again using lots of treats. I think seeing Chloe being rewarded to coming to the whistle is making Holly think it could be a good thing, too..
Holly - 7years
Amber- 3 years