Since Mahakala--or in other words, Shiva--was introduced into Mikkyo without modification, Daikokuten was initially depicted in the same manner as Shiva, showing his four hands holding a trident, a staff, a ring, and a rope.
シヴァ神のマハーカーラがそのまま密教に取り入れたため、初期の大黒天はシヴァと同様に四本の手に三叉戟、棒、輪、索をそれぞれ持った像として描かれた。