Deletion of Shubb

Comment: per : "''If the depth of coverage is not substantial, then multiple independent sources should be cited to establish notability.''" the Shubb capo is nowadays mentioned, and its use explained, in all American banjo and guitar handbooks, as can be gathered from the book search, https://books.google.com.br/books?id=gaWzc3rl5WQC&pg=PA16 ''The Guitarist's Guide to the Capo'' has images and detailed descriptions of two types of Shubb capos
Stance: keep
Cited policy: Wikipedia:Notability (WP:CORPDEPTH)