The Fretfunk strap-mounted pick holder is simple to use, and designed to hold up to 6 guitar picks (plectrums) securely. It attaches easily by clipping onto the guitar strap, and once in place can be used to keep spare plectrums handy whilst playing. Suitable for both acoustic and electric guitars, fits most guitar straps. The Deluxe Edition is simple to use, and designed to hold up to 7 guitar picks (plectrums) securely. It attaches easily by clipping onto the guitar strap, and once in place can be used to keep spare plectrums handy whilst playing. Suitable for both acoustic and electric guitars, fits most guitar straps. Fits all thicknesses of guitar picks. The Deluxe Edition of this product is manufactured from flexible rubber, which is especially useful if you have a thicker guitar strap or if you use thicker Jazz picks. The original Edition of the product, by contrast, is a little shorter and made from plastic.