Because of the high technical threshold, the lacquerwork courses are limited to serious offenders serving at least two years with no chance of parole, and those with a background in the arts get priority.
有別於一般監所的技訓班，通常以刑期僅剩 2 年以內的受刑人為優先考量；技術門檻高的漆藝，反倒限制 2 年內「沒有」假釋機會的長刑犯才能參加，過去曾有美術基礎者更可優先錄取。