clamps, outer tub front and back

Hi, I need to know how do you take off clamps that hold outer tub front to outer tub back,and how do you put them back on? Is there a special tool I need? thank you

You should be able to do it with a screw driver. Here is a service manual with some pics

https://secured.whirlpool.com/Service/SrvTechAdm.nsf/2cd44500d572193285256a45004fd9d6/eab852a13fbc842085256aa200643dd6/$FILE/Duet%20Job%20Aid.pdf