This is the best capo at the best price. The key phrase is ‘NS Lite Guitar Capo.’ You should be able to find one for less than about $12.
link:
https://www.amazon.com/Planet-Waves-Guitar-Capo-Lite/dp/B0037MA69I/ref=sr_1_3?keywords=ns+lite+guitar+capo&qid=1671221463&sr=8-3