https://www.amazon.com/gp/product/B07ZQ3JQ2T/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1
This is what I use when I jump and they work great. Don't know if they're what you're looking for, as they do connect to one another and meet in the middle. Jump 5 days a week for 30+ minutes, and always hold in place.