Easy to use: Just put on your fingers and pat your tongue rhythmically. Clicks on the tongue with hand using a 4 fingertip,and use a with the other hand; Or have two fingertips on each hand. Easy to,just rinse with water.,soft and comfortable. silicone,environmentally safe,and designed for all drums with a long service life. for the little finger,for the finger,for the middle finger,and for the indexes finger.It is also applicable to other Percussion instrument.