NO FRET BUZZ & NO SCRATCHES: The high quality memory spring release the proper tension based on the thickness of the neck, it ensure buzz-free when clip on any frets. It is easy to release and reposition the on different fretboard with one hand. The soft silicone pad perfectly fit instruments' neck, plus 3 types of replaceable silicone heads, which protects your musical instruments and strings against any scratches or damage.BRIDGE PIN PULLER: The built-in guitar pin puller is specially designed for acoustic guitars. Utilize the guitar clamp body as leverage, easily hold and remove guitar pins with one-handed operation, no more worry about the damage caused by using pliers and other tools.IN THE PACKAGE: C3 guitar , 3 types of silicone heads (AC for acoustic guitars, El for electric guitars and CL for classical guitars, AC is on the guitar clamp by default), user manual. Exquisite packaging, it is great gift to your children and friends who plays the musical instrument. Please email us if you have any questions.DURABILITY & COMPATIBILITY: is made of high density zinc alloy, which ensure lightweight, portable and durable for musicians to play at ease. Excellent mechanical structure design with streamlined and curved surface, providing a perfect hand feeling for holding. It is widely applicable for acoustic guitar, electric guitar, folk guitar, classical guitar, bass guitar, ukulele, banjo, mandolin and other stringed instruments.4 in 1 MULTIFUNCTIONAL: Innovative 4 in 1 guitar with guitar pin puller, having 4 separate items by one-stop purchase. There are 3 types of silicone heads for a variety of guitars due to different shape and size of the fretboard. Using the guitar clip body as leverage, the string pin puller on the bottom can easily hold and remove bridge pins, purely ergonomic design makes guitar pins remove to be more fast.