Ok so a friend and me have had some questions about Girallon arms and the feat multi weapon fighting.

Chakra Bind (Totem)

You gain four claws that you can use as natural weapons,
dealing 1d4 points of damage with each claw. You can make
a single claw attack as a primary attack, using your full attack
bonus and adding your Strength bonus on your damage roll.
You can make up to three additional claw attacks as secondary
attacks, following either a primary claw attack or an attack
with a weapon. These secondary attacks have a –5 penalty
on the attack rolls and apply half your Strength bonus on
damage. If you have a shield in your off hand, you cannot
make any secondary claw attacks.
Every point of essentia you invest in your girallon arms
grants you a +1 enhancement bonus on attack rolls and
damage rolls with your claw attacks.

Multiweapon Fighting

Penalties for fighting with multiple weapons are reduced by 2 with the primary hand and reduced by 6 with off hands.

Normal

A creature without this feat takes a —6 penalty on attacks made with its primary hand and a —10 penalty on attacks made with its off hands. (It has one primary hand, and all the others are off hands.) See Two-Weapon Fighting, page 160 of the Player's Handbook.

So with my 2 totemist/ 3warlock his attack is Primary +7 Secondary +7+7+7. My BAB is 3 my STR is 18 which is a +4 bonus. Does this all work? My friend says that without multiweapon fighting there should be negatives and even with it there should be negatives but lesser negatives. We have brought this problem to the play ground to see what it's opinion is.