Attach one end of the strap to the knob at the base of the guitar. The first part of putting a strap on an acoustic guitar is the same as for an electric. Slide the hole on the end of the strap that is farther from the buckle onto the knob at the base of the body of the acoustic. read more
Attaching a guitar strap to an electric guitar, bass guitar or acoustic guitar like this is straightforward – put the pinhole of one end of the strap over one pin, and put the pinhole of the other end of the strap over the other pin. read more
The question arises because many acoustics have only one "button" on the back side of the guitar to attach to a strap, but none on the the front side. read more