these are better for them clips-thier is a ratchet version of these which are even betterhttp://www.amazon.co.uk/dp/B000PJ8GXO/ref=asc_df_B000PJ8GXO597098?smid=A3P5ROKL5A1OLE&tag=googlecouk06-21&linkCode=asn&creative=7974&creativeASIN=B000PJ8GXO