Product Overview: The Sissel Finger Exerciser is designed to strengthen and improve flexibility in fingers and hands.This set includes two medium and two firm exercisers. Key Features: ‣ Different resistance levels for effective training ‣ Improves finger strength and flexibility ‣ Compact design for easy use How to Use: Place the exerciser around the fingers and squeeze to strengthen. Perform repetitions as needed, gradually increasing the resistance by switching between medium and firm exercisers.