Riding with clips

no expert meself but pedals sometimes have a little beak-like piece sticking out for you to swing the pedal up into the right position.if you put clips on wrong side of pedal you wont have the use of this little sticky outy bit.I'm probably talking sh*t like I usually do though....

You can bolt some on:
http://www.cyclestore.co.uk/productDetails.asp?productID=20971