Also, do you mean that the Christian still has to cut off the end of his schmeckel?
There is a distinct difference in ceremonial laws for the Hebrews and the Ten Commandments that were for all mankind and will stand forever. The laws and ordinances were spoken by Moses (Lev. 1:1) whereas the The Commandments were spoken by and written by God (Deut 4:12,13 and Ex 24:12). This should be obvious to any serious student of the Bible.
At least’ why couldn’t pinking shears be used?