After four years of trial and error, they finally overcame the problem of peeling, and later still Chiu discovered that results were even better after adding hot-melt glue, which he still uses today.
經過長達四年，一次又一次反覆實驗、試畫，終於克服乾後易龜裂的缺點，後來邱錫勳又發現加入熱融膠效果也不錯，便一直沿用至今。