When choosing clasps, keep your customer type in mind. Customers with fading eyesight often prefer the size and ease of lobster clasps over spring rings. Toggles and hook-&-eye sets are easy to put on and take off, but are inappropriate for lightweight necklaces. The security of pearl clasps makes them a likely choice for expensive materials. Inexpensive spring rings remain popular for most jewelry. For free tips on choosing cord or necklace wire, see Stringing Materials & Methods.