Multi-nested twisting loom, method, fabric weave, and upper

A multi-nested twisting method, the number of twisting healds of a first-level twisting heald being m, where m is an integer greater than 1, a second-level twisting heald being composed of a single twisting heald, the multi-nested twisting method comprising the following steps:

• S1:
• forming a twisting warp by passing at least one warp of warps through a twisting heald hole of a twisting heald of the second-level twisting heald, the twisting warp no longer passing through other twisting healds of a current nested twisting heald set;
• forming a first set of ground warps by passing other warps through an internal space of the twisting heald of the second-level twisting heald;
• S2:
• forming a new set of warps at a front end of the first-level twisting heald through the first set of ground warps, dividing the new set of warps into m sets, and forming a twisting warp by passing at least one warp through a twisting heald hole of each twisting heald of the first-level twisting heald, the twisting warp no longer passing through other twisting healds of the first-level twisting heald;
• forming a ground warp by passing at least one warp through an internal space of each twisting heald of the first-level twisting heald, the ground warp no longer passing through internal spaces of other twisting healds of the first-level twisting heald;
• S3:
• forming warps arranged along the same direction as in S1 by passing any twisting warp and ground warp in S1 and S2 through the second-level twisting heald and the first-level twisting heald;
• and
• S4:
• weaving wefts with warps according to requirements of a fabric weave.