Activity › Forums › Sony Cameras › EX3 Matte box/shoulder mount set up. Advice please. Sony Cameras EX3 Matte box/shoulder mount set up. Advice please. Mark Rule replied 15 years, 2 months ago 10 Members · 11 Replies Mark Rule March 11, 2011 at 7:38 am Our EXMount is another option – https://www.exmount.com – and you can put rails on it (see pictures on the website). Any questions etc, please email me – mark@exmount.com Page 2 of 2 ← 1 2 Reply to this Discussion! Login or Sign Up Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me Reply to this Discussion! Login or Sign Up