The cartridges would not work at all. I ended up throwing them all away and ordering from a different source.
Strong Dog Lead Anti Pull Shock Absorbing Bungee Leash with Soft Barrel Handle
12 janvier 2019
Strong dog lead
Having gone through a few leads lately, I found this lead and having read the reviews, thought it would be just what I was looking for. It is a really good strong lead, and the extra handle for close walking is great, giving you good control.
It did take a while to get used to the tubular handle, which for me, with small hands, would be better if it was a bit smaller. However, saying that I think I am now used to it.
Would highly recommend this lead.