Wii Boss Dual Pack (Red/Green) for $10.99.  It is also available in Pink/Blue color.  Here is a screenshot for reference.  Shipping is free on orders over $25.  If needed, use this Filler Tool to pad the order for free shipping.  Wii Boss is a plastic, ergonomic grip that clips on top of a Wii Remote with enlarged action buttons and an enlarged D-pad that are activated by pass through mechanisms.