Oh puleeeesseee! Do you wear clothes woven from two separate types of thread???
Do you follow Mosaic dietary laws??
Most of us can't afford fine linen and pure linen wrinkles terribly unless it is blocked or pressed in some manner. I suspect some linen goods we do use are blended with other fibers. And pure linen garments are used in the burial of I believe it is Conservative Jews to this day. And other rigid practices about proper burial.
It's just my opinion with no force of authority but it seems to me the ten commandments are of a higher order than the other rules and laws. However, those rules, to Israelites, were enforced.
The one about marrying one's deceased brother's wife to bear children attributable to the deceased legal paternity; the punishment was death when Onan spilled his seed on the ground. The Catholic teachings concerning certain sex-related sins are based on that, but I don't think any Jews or Israelite (the latter whose identify, if surviving, is unknown any longer are compelled to follow that rule.
There are probably other examples I can't recall.