This is an example, but apparently this one didn't rate very well, so look for another model.
http://www.westmarine.com/webapp/wcs...allpartial/0/0
Here's another idea that you could easily grab with the boat hook:
http://www.westmarine.com/webapp/wcs...allpartial/0/0
To really make it easy though, don't try to reach over to tie off to the towing eye. Too far down. Use the bow cleat.