Underneath the middle of the rifle is the ammo clip, which acts as the X Button when pushed in, and handles reloading.

ENGADGET: blogger-avatar

Thankfully, recommendations can be culled using the new Dash's rating system -- thumbing the X button on the recommendation page allows you to pin an item, dismiss it or rate it out of five stars.

ENGADGET: Xbox 360 Dashboard update hands-on (fall 2012) Hands-on

Analog joystick with central push-button two axis (X and Y) and a center pushbutton.

ENGADGET: Arduino Esplora helps you learn microcontrollers without the pesky breadboard