It is a new gateway service "to go from a cryptocurrency into the other" (à la shapeshift), by a Brasilian developer:
http://cloneshift.com
http://cloneshift.com
Shapeshift, 1 btc = 139.1334 Dash
Cloneshift, 1 btc = 139.13336004 Dash
last poloniex price = 145.1431 Dash / btc
markup = 4.319% on both exchanges.