[HELP]Unmount a Pet

[Danniel42]

Hiiiiii E*pvp community,

I putted new pets into my server and they work good enough, but the problem is when I'm riding them I cannot do "un-mount" it's nonfunctional, I checked this tutorial; but still can't understand anything from it, can somebody explain it to me well? I will give thanks and I hope u can help me..

Any helpp?? UPP!