Pendula is an Adventure game in which the player has to complete the level by swinging the environment while avoiding enemies and traps which include blades, piranhas and water. However you can only grab on to metal objects . There are also some fun stuff like jump pads and cannons which can help you complete the level.
Mouse Left click (or touch) and hold in the direction to extend and grab on to the metal rods. Release the Click when you want to ungrab. When you are in side the cannon Click and Drag to adjust the angle and power of the cannon.