Talk:Vol.2 Ch.137: 30F - Hell Train: Revolution Road (25)/@comment-11698429-20150209100629/@comment-16674955-20150209104358

He can copy regardless. Being hit by these techniques probably makes it easier for him to sense the flow of shinsoo. The first two techniques he learned (fast skip and hwajeopgongpasool) were used on him to make it easier for him.

Blue Oar and Slider are not techniques that can be used on you, he still copied them at first glance. He was probably saying that because they are martial arts techniques (eg: they hit you, stances and hits).