This item is attached to the slide tube of a French horn and provides various effects. 【SLIDE TONE】 ST-HN3, ST-HN5 Set of 2... ¥1980 ST-HN5H Hammering specification... ¥1980 You can choose either one. Please let us know via message after purchase. (If we don't hear from you, we will ship the item in the first product photo.) 【Customer Reviews】 "The high range became stable." "The sound became more core-like." "Fine expressions became easier." "Volume increased without strain." We have received many positive comments about the effects. Not only on the main tube, but also depending on the position you attach it, you can achieve various effects, so please experiment to find your best fit. ※This is not intended to compensate for the skills of beginners. We recommend it for intermediate and advanced players. ※Individual experiences may vary. We cannot accept returns for reasons such as "I don't feel the effect." ※We will repair or replace any damage caused by use at any time for the shipping cost only. ※If you wish to purchase multiple items, we will discount the shipping cost, so please let us know in the comment section. We will create a dedicated listing for you.