Tetori's Grab and Ki

[Malfus]

I was looking at the Tetori's grab ability. It reads as follows:

Graceful Grappler wrote:

At 8th level, a tetori gains the grab special attack when using unarmed strikes, and can use this ability against creatures his own size or smaller by spending 1 point from his ki pool, or against larger creatures by spending 2 points from his ki pool.

It says he gains grab, then it says that he must spend a ki point to gain grab. This always bothered me because the second clause more or less invalidates the apparent intent of the first. Then I found this gem in the grab section of the pfsrd:

Grab wrote:

The grab rules for the Bestiary say the ability only works on creatures smaller than the monster, but the grab rules for Bestiary 2 say the ability works on creatures of up to the monster's own size. Which is correct?

Bestiary 2 is the new, updated version: grab works on creatures up to the size of the monster with the grab ability.

Is the Tetori's grab ability written with the old grab wording in mind, such that he always has a grab which works against creatures smaller than himself, but he has the option to spend a ki point so that it affects creatures of his size? Or does he simply have grab, and must spend a ki point to have grab?

[Archaeik]

I read it as he always has to spend a ki to have any kind of grab.
(which is what makes Final Embrace such a sweet plum at level 15)

[Malfus]

So you don't think it is using the Beastiary 1 interpretation of grab? My inner monk weeps.

[MacGurcules]

Yeah, once you get constrict at 15, Final Embrace is a good pickup to cut down on the Ki expenditure. Still gotta blow 2 points to grab the big guys but getting regular sized stuff for free is still pretty worthwhile. Maybe even talk to your GM about letting Final Embrace upgrade your base grab one size category since that aspect of it is lost with the Bestiary 2 errata.