[The Might]

I guess that is true, and they weren't as good as I thought they were
And the fact that they attacked at Bree and Crickhollow probably proves they were not yet completely sure where the Ring was at the time

I also remembered that Khamul was also very close to the Ring once when he talked to the Gaffer, but he also didn't feel its presence, even though we know that he was, after the WK himself, the second best