Definitely works… but not big enough!
We measured my grandsons ankle prior to purchasing and once it arrived we quickly discovered that whilst the anklet definitely helped its most certainly on the smaller side and leaves a mark on his ankle (a bit like wearing a hairband on your wrist) so he just can’t wear it unfortunately and at 8 months it’s too risky for it to be put on his wrist. Whilst his ankle measures 13cm as per the measuring guide babies ankle certainly needs to smaller than the maximum measurement for the anklet given. Unfortunately they don’t do a bigger size. Would recommend though as when he did wear it even for a short period of time, it really did seem to help!