Abstract: A disposable or reusable shopping bag which can be carried by hand or worn on the back of a user as a backpack. The reusable shopping bag provides an inexpensive bag with shoulder straps concealed within the side gussets. The shoulder straps can be deployed in order to wear the bag as a backpack or may remain concealed in the gussets when the bag is functioning as a handheld shopping bag.

Abstract: A guitar slide 10 includes a cylindrical body 20 defining an internal cavity 21. The cavity is defined by a very gradually tapered inner surface 25 which tends to result in a frictional connection with the musician's finger. A forward opening 30 is reduced in diameter by a neck 40 having an annular inner surface 41 with a diameter smaller than the tapered inner surface 25 of the cylindrical body. A curved transition surface 42, between the annular inner surface of the neck and the tapered inner surface 25 of the cylindrical body, tends to grip the tip of the musician's finger when the finger is gently forced toward the forward opening. A rear opening 50 is defined between a semi-circular rim 51 and a crescent-shaped rim 52, resulting in an opening which provides access to the internal cavity 21 from the direction perpendicular to the length of the cylindrical body 20. A finger rest 60 includes a flat surface 61 which is bordered by the outer surface of the cylindrical body.