From Texas Chain Saw Massacre Wiki

Insult to Injury

Hitting a victim with your chainsaw reduces 5%/10%/15% of their stamina.

Hey Sissy

Sissy's powder further reduces 5%/10%/15% ability cooldown but causes 3/5/7 seconds of blurry vision after using ability.

Poisoned Claws

Adds a slight poison effect for 5/10/15 seconds to attacks.

Truck Stick

You can trigger a knock down on Victims when attacking while your chainsaw is off. Cools down after 90/60/30 seconds.

Sip Sip Sip

Weapon gives you 10%/20%/30% more blood in blood vial but damage also reduced by 10/15/20%.

Ranch Hand

You can reset hitchhiker's traps, but it takes you longer. Trap reset time is 8/6/3 seconds.
LVL1: You can reset hitchhiker's traps, but it takes you longer. Trap reset time is 8 seconds.
LVL2: You can reset hitchhiker's traps, but it takes you longer. Trap reset time is 6 seconds.
LVL3: You can reset hitchhiker's traps, but it takes you longer. Trap reset time is 3 seconds.