This paper details a method for forging a buckle out of Deep Iron. If you forge 100 Deep Iron Ingots with this design in hand, you'll make an Iron Buckle instead of a Pick Blade.
Buckle Design price in Growtopia: sells for about 2 DL 95 WL, buyers pay about 60 WL (median of 7 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: GLC, ORAQLES