Check their other products first.
I haven't tried the other Brush Grubber products but buying this one first was a mistake. Maybe a mistake period.
I tried pulling out about 1/2 dozen assorted bushes and small trees and had what I would consider a 50% success rate.
The first problem is that the instructions tell you to face the welded cross links inside towards the bush; good luck on that. The chains twist and the attached free moving rings cause the three chains to become improperly oriented as one or the other chains slips to the other side of the ring thru normal use. It is Rubik's Cube trying to unravel them as the instructional photo demonstrates proper application.
Secondly the choking actions sounds a lot better than it works. You really have to get the collar at or below the "knot" where the branches form to get a grip that doesn't slip. All my tries slipped even the ones that worked. I think that the inability to get this chain low enough is going to be the case on most plantings due to age of the planting or debris build up around the base
Thirdly I pulled the ring into an oval on the third bush I tried. That was an older flowering quince that I had all I could do to get the 3 foot or so chain around it at all. It was about 1 foot in diameter at the base. I was using a Ford 1700 diesel 4 wheel drive tractor and it didn't budge it. The chain would not stay at the base of the plant period.
I plan to try one of their other products. However I think their engineers need to go back to the drawing board on this one. Fix the chains on each ring so they do not lose orientation possibly strengthen the rings and increase the overall traction of the chains. I would even consider tacking the chains together along their length to maintain orientation because when the cross links face out they actually impede the choking action as they bind on the slip rings.
I wouldn't buy it again I am not so sure it is lot better than more ordinary solutions in its present form.More detail ...
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