Pinch type and Thread type for elastics and ribbons etc.
Pinch type (tweezers with slider). Use for bulking elastics, trims that cannot be doubled over. Pinch the elastic between the tweezers and slide down ring to hold elastic in place. Insert through casing.
Thread type (large eye with rounded tip). Use for threading ribbons, fine elastic and rouleau tubing through casings and eyelets.