Onion Ring, Lark's Head Picot Join (LHPJ), Inverted (Dutch) Ball Thread Join. These are techniques used in constructed large pieces of lace from smaller bits. There are many types of join, i.e., up, down, shuttle lock join, onion ring, split ring, swirl, lark's head picot join (LHPJ),et al

Joins - Onion Ring, LHPJ, Inverted