No. Just NO. Nothing to do with eval. Use FFC.
If you have no idea what you're talking about, don't post. He clearly wants a console command that mounts two players together,
not a crap-on that does it and 150 pointless other things.
findclientbyname("blockhead").player.mountobject(findclientbyname("outpact").player, slot); should do it, where slot is a number from 0 to 8
(?) that sets where on the other player yours will be mounted.