Needs review
Source: Encyclopedia Arcane: Illusionism

Description: Your illusions have tactile sensations

Prerequisites: Augment Illusion

You can create illusions that give false sensation of being tactile. This means that a creature that fails their Will save to disbelieve the illusion because the body's nervous system invokes a tactile feeling that stops them. The illusion being affected must have a visual component in order to benefit from this feat. A tactile illusion uses up a spell slot three levels higher than normal.