You can order Cargo Buckles on Amazon and then place them on your trailer at the spots that line up with your UTV. You only have to drill one hole per Buckle to fasten them to your trailer.
I can drive my UTV on the trailer and buckle it down in right at 1.5-2 mins done. And you never have to worry about where to put the straps or getting them out etc....i have showed about 10 people how i did it and most of them added Cargo buckles to their trailers...

i'd like to see more folks using chains or
at least a separate safety chain and shackles.
every year i see i don't know how many flying
down the interstate with cheap frayed tiedowns
and rolling back and forth on the trailer.
if i'd spent the kind of money those things cost
i sure wouldn't cheap out when it comes to
securing one down to the trailer. i see lots of
frayed tie downs too that should be thrown away.
oh well. . .i only hope they don't injure or
kill some innocent bystander with their carelessness.

Did not click on the link but, I have seen these before and they work very well