Splicing.  The process of joining together, as the interweaving  of strands, overlapping and stitching of materials. Shot bag.  A parachute packing tool. A rectangular bag  filled with shot and used to hold folded gores in position  during packing. Shoulder strap.  The part of the harness webbing that crosses  the wearer’s back diagonally between the shoulder blades  and the horizontal backstrap. Split saddle.  The lower part of a harness that has independent  leg straps; no saddle cross strap. Sport parachuting.  The making of premeditated parachute  jumps for pleasure. Side flap.  Fabric extensions on each of the long sides of the  pack that fold over to enclose the canopy. Sport rig.  A skydiving harness and container system. Square knot.  A strong knot for joining two cords or lines,  which does not slip or loosen easily. Silk.  A fiber produced by the silk worm. Single point release.  A harness release that has a single  closure, such as the T-10 type; also a canopy release system  operated by one hand or action. Square parachute.  A gliding or ram-air canopy having a  square or rectangular shape. Stand.  A sewing machine table. Single throw zigzag.  A machine zigzag stitch from left to  right to left, etc. Also known as a 304 stitch. Static line.  A line, cable, or webbing, one end of which is  fastened to the pack, the other to some part of the launching  vehicle; used to open a pack or to deploy a canopy.  Skirt.  The reinforced hem forming the periphery of a canopy. Skydiving.  A popular name for sport parachuting. Static line operated parachute.  A parachute operated by  a length of webbing after a jumper has fallen the length of  the static line. The ripcord pins are pulled from the pack,  the parachute opens, and a “break tie” breaks, freeing the  parachute. Slag.  A type 6 deployment device. A short sleeve  configuration used on ram-air parachutes. Static line system.  A parachute system that is attached to the  aircraft with a line and automatically deploys the parachute. Sleeve.  A tapered, fabric tube in which the canopy is placed  to control deployment. A deployment device. Sliders.  A reefing device usually for ram-air canopies.  Comprised of a fabric panel with grommets at the corners  through which pass the suspension lines of the canopy. Straps.  The webbing components of a harness. Surgeon’s knot.  A type of knot commonly used for tying  nylon threads or cords in place of a square knot to prevent  mis-tying. Snag.  A fabric imperfection. Snap fastener.  Metal fastening device that usually consists  of four parts: button, socket, stud, and eyelet. Device is  manufactured in various shapes and sizes.  Suspension lines.  Cords or webbing of silk, nylon, cotton,  rayon, or other textile materials that connect the drag surface  of the parachute to the harness. They are the means by which  the wearer or weight is hung or suspended from the inflated  canopy.  Swages.  The ball or other device used at the end of a ripcord  to secure the cable to the handle. Snatch force.  The shock produced on the load when the  parachute assembly fully strings out and becomes suddenly  accelerated to the same speed as the load. Comes just prior  to opening shock. Sniveling.  Slow opening of a parachute. SPEC.  Specification and/or MIL-SPEC (military specification). Tail pocket.  A deployment device sewn onto the tail of a  ram-air canopy used to stow the suspension lines. Spiral vane pilot chute.  A pilot chute with a cone-shaped,  cloth-covered coil spring used in free-type parachute  assemblies. T G-11