For those who have completed the basic setup, you might want to consider adding the Wheel and the K18 Gold Sun Metal next!
・Gold Tip Feather (XL): 52,000HKD~
・Gold Top Feather (XL): 13,400HKD~
・Small Cornered Chain with Eagle Hook: 5,400HKD
・Silver Wheel with K18 Gold: 11,700HKD
・K18 Gold Sun Metal: 7,200HKD
・All Gold Wheel: 47,600HKD