If hand sewing, make use of a Glover’s needle. It's a chisel point and can make it much easier to sew thru the thick pores and skin of the badge/crest. British soldiers also wore tricorn hats adorned by using a black cockade, and white breeches and black gaiters or leggings. https://kylerbffee.liberty-blog.com/28613075/5-simple-statements-about-hopnhuatrong-explained