The term 'THROUGH THUMB' can be solved by the crossword solutions RIFFLE (6 letters), RUSS (4 letters), and EBERT (5 letters). RIFFLE is a shuffling technique used to mix playing cards, which involves splitting the deck into two halves and then sliding them together in an interleaving motion. Russ is a common nickname for someone with the given name Russell. EBERT is a surname of German origin, derived from the given name Eberhard.