These things seem really overpriced to me, but dang I'm really liking this...
folding "brace"
http://palmettostatearmory.com/cz-scorpion-evo-3-s1-9mm-pistol-w-folding-brace-black-91354.html
folding "brace"
http://palmettostatearmory.com/cz-scorpion-evo-3-s1-9mm-pistol-w-folding-brace-black-91354.html