Clamp: http://www.bhphotovideo.com/c/product/546356-REG/Manfrotto_035RL_035RL_Super_Clamp_with.html
Opto-to-hotshoe slave thing: http://www.bhphotovideo.com/c/product/62712-REG/Wein_940_030_HS_Hot_Shoe_Slave.html
Stand bag: http://www.bhphotovideo.com/c/product/248765-REG/Lightware_C6140_C6140_Medium_Stand_Sack.html