Adjustable Clarinet Thumb Rest with Finger Cover and Screwon Black Cap A simple, reliable replacement accessory that improves comfort and instrument control. The adjustable thumb rest and screwon black cap secure your thumb position, protect the instrument, and keep the rest from loosening during play. Key benefits Improved comfort and posture: Adjustable height and thumb support reduce thumb fatigue during long practice sessions and performances. Secure fit: Screwon cap locks the thumb rest and finger cover in place to prevent slipping or loosening while playing. Protection for instrument and player: The capped screw covers sharp edges and helps protect the clarinet body and the player s thumb. Lowprofile appearance: Black finish blends with most clarinet styles for a discreet, professional look. Easy to install and adjust: Designed for quick replacement or adjustment without special tools. What it does and how it helps This accessory combines an adjustable thumb rest with a screw and black cap to worn or missing parts on a clarinet. The adjustable element lets you set thumb position for better hand alignment and faster technique, while the screw and cap secure the assembly so it stays put through vigorous use. The result is more consistent hand placement, reduced strain, and fewer interruptions from loose hardware. Compatibility and fit Designed to fit clarinets that use a standard thumbrest screw assembly. Intended as a replacement part or upgrade for most common clarinet models. Compact size and standard screw length suit typical thumbrest mounts. Check your instrument s existing screw dimensions if precise fit is required. Materials and performance Durable construction for everyday use and practice. Black cap offers a discreet finish and resists showing minor wear. Lightweight design maintains instrument balance and responsiveness. Typical use scenarios Student practice: worn hardware on a school instrument to restore a comfortable thumb position for daily lessons and practice sessions. Ensemble or performance: Secure thumb rest for live playing where a stable hand position is critical during longer pieces or fast passages. Instrument maintenance and rental repairs: Quick, reliable part to swap in when servicing rental instruments or preparing equipment for loan. Quick features summary Adjustable thumb rest with finger cover Screw and black cap included for secure installation Fits standard clarinet thumbrest mounts Compact, lightweight, and discreet black finish Simple installation and adjustment This accessory provides a practical, nononsense solution for maintaining thumb support and hardware stability on clarinets, suitable for students, educators, technicians, and performing musicians.