Chant the Katha of Phra Chao Sua as often as possible, especially when you worship or wear the Phra Chao Sua amulet. Make it a practice to wish after you finish chanting. There is great power in fulfilling the worshiper's wishes, making good luck returns, and smooth proceedings.

Namo Tassa Bhagavato Arahato Samma Sam Buddhassa (3 times)
Om, Pak-lang-wa, Ra-cha-ku-ma-ro-wa,
Ra-cha-ku-ma-rie-wa, Ak-ka-ma-hey-si-wa,
Tae-vi-wa, Ra-cha-wa, Ra-cha-set-thi-wa,
Sa-ma-no-wa, Pra-ma-no-wa, It-thi-wa,
Pu-ri-so-wa, Pha-nik-wa, Ma-mang,
Thi-sa-wa, Pi-ya-yan-ti, Ma-ni-chin-da,
It-thi-rit-thi, Cher-yar, Chet-yar,
La-pha, La-phang, Sab-bha-gam-ma,
Pra-sit-thi-mae, Ar-ra-hang, Bha-ga-wa,
Na-cha-li-ti, Ma-ar-ud, Sab-bha-si-ne-ha,
Ja-pu-chi-ta, Sab-bha-suk-kang,
Ma-ha-la-phang, Na-ma-ha-la-phang,
Bha-wan-tu-mae.