I have a lot of experience with moles, as documented several times here on TBN over the years.
Over 300 in 6 years on 1 acre. Yep. You read that right. Then they finally got down to just a couple a year.
In the past, I've always recommended the Victor Out O Sight mole trap. However, in the past couple of years, there has apparently been a change to the spring tension, and they are not getting good reviews anymore. Too weak to work. The original ones will darn near break your finger. If you can find them, they are the best.
2nd best is the one you have.
If you don't already know, don't try and trap the mounds. That doesn't work. That's a place where the moles push soil UP to clear their tunnels. Pushing UP triggers the trap well before the mole gets there.
If you see an area that looks like a wrinkled up carpet all over the place, don't try and trap there, either. It's too random.
The only place to try and set a trap is across an active tunnel.
Find the tunnels in your yard, then use your heel to press down a spot every so often. Then check your heel marks every day. If a heel mark gets pushed back up, that's an active tunnel and a good place to concentrate.
I like to buy a bundle of the little marking flags at Lowe's that have about a foot of wire and a little flag. That helps me to relocate my heel marks VS walking all over the place. The neighbors might be concerned you're laying out new construction, though.
Once you've located an active tunnel, you need to find out how far down under the soil the tunnel is. Take a small garden trowel and cut out about a 3" slice from the tunnel and expose both ends of the tunnel. So you'll have an open U-channel with a hole at each side.
Take the plug of sod that you dug out and put it at the bottom of the trench, so that it lays flat across the U-Channel and blocks just a bit of the side tunnel openings.
Now set your trap across the tunnel so the trigger pan is flush against the top of the sod plug. When the mole comes through from either side, it will encounter the sod plug blocking the tunnel, and try to go under it, pushing the plug up against the trigger and POP that should get it.