Skull & Co Vs Kontrol freaks review

Skull & Co make some half decent thumb grips
available here :- https://www.amazon.co.uk/gp/product/B0B12KZ25P/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&th=1
so this is my little review and unboxing and comparison of the Skull & Co thumb grips compared to the Kontrol freaks which make similar products but which cost a lot a more