If you spray the instrument for a long time, water will leak from the dandelion and affect the performance. What did you do at that moment? Most people have put paper on a dandelion to wipe away moisture. Because of the water the paper will tear during blowing or once wipe it off cleanly and you dont just need to discard the paper and wear it out.. This product is "Pat Dry" that responds to those problems. Made of microfiber thin cloth, super absorbent. It is strong and will not tear even if you pull it slightly. In addition to its absorbency, it can be dried and used again and again. It does not come out like paper after wiping away moisture, and it will not come out at practice, concerts, or stages, and it is economical. We recommend putting dry.