A binder clip includes a generally triangular clamp, a catch arm, and a hook arm. The catch arm includes a linear segment having a catch width, and the hook arm includes a hook configured for secure but releasable connection around the linear segment of a matching binder clip. The hook has a hook width less than the catch width of the linear segment.

An apparatus that helps hang wall art. A clamp attachable to a hanging element of an item of wall art that has a marking implement removably attached to the clamp and a marking tip oriented towards a wall surface opposite the wall hanging element. The marking tip simply marks the spot on the wall, and if the user decides on another location, the mark can be wiped off, with no damage to the wall.

A method and apparatus for receiving an expiry time in a smart clip and one of timing and counting down to the expiry time comprises coupling an electronic receiver to the smart clip and connecting a timer to the electronic receiver are disclosed. Receiving the expiry time by the electronic receiver, and one of timing and counting down to the expiry time by the timer are also disclosed. Other features and embodiments of the invention are also disclosed.

A binder clip includes a generally triangular clamp including a first side between a mouth and a first vertex, a second side between the mouth and a second vertex, a third side between the first vertex and the second vertex, a first wing extending away from the mouth to a first wing end, and a second wing extending away from the mouth to a second wing end such that the first wing and the second wing are substantially coplanar. The binder clip further includes a first arm pivotably connected to the wing at the first wing end, and a second arm pivotably connected to the wing at the second wing end, the first arm and the second arm cooperatively useable to open the mouth.

A clip including: a first arm including a mounting point at which the clip is mountable; a biasing means configured to bias the first arm into a holding position; and wherein the first arm comprises a bottle opener.

A removably attachable notecard sleeve device for binding and identifying a stack of papers includes a panel and a binder clip. The panel has an upper and lower edges, opposed lateral edges and front and rear faces. The front face of the panel can receive indicia to identify a stack of papers. The binder clip is attached to the rear face of the panel adjacent to the upper edge of the panel. The binder clip is biased to a closed configuration and is selectively openable to an open configuration. The stack of papers can be inserted into the binder clip when in the open configuration and the binder clip in the closed configuration retain the stack of papers with the indicia being visible to a user.