Problem is the standard Christian interpretation of Christ freeing people from the Old Testament law means they can ignore and keep what they like from the Old Testament.

You forgot my fave... "You must not wear clothing made with wool and linen meshed together." (Deuteronomy 22:11)

So much for wearing a wool-cotton blend (http://www.country-outdoor-clothing.co.uk/mofcart/laine-taylor-shooting-shirts-wool-blend.html)...