Posted on August 1, 2023August 1, 2023 by Sally Maree Corset Making ~ Apply caps to spiral steel boning. How to apply metal U-tips/endcaps to cuts of spiral steel boning. Purchase Corset Making Supplies here. More corset making tips and tutorials. Post navigationPrevious post: Depop Fees/Profit CalculatorNext post: Upcycled bum bags.