Abstract: A slot and alignment trainer for bowling is disclosed. An example slot and alignment trainer for bowling includes a base and a plurality of guide posts configurable in the base to introduce multiple levels of difficulty. A plurality of openings may be formed in the base. Each of the plurality of openings is prepositioned to receive one of the plurality of guide posts. An adjustable slot may be formed by a plurality of spaced apart guide posts extending upright in the base. The adjustable slot may be configured in the base to provide a user with real-time feedback while practicing a bowling swing.

Abstract: An example of a practice device includes a top portion, a bottom portion, a middle portion extending along a longitudinal axis between the top and bottom portions, a neck portion extending between the top and middle portions, and a plurality of weights. The top portion includes a first cross section and at least two through-holes extending between front and rear surfaces. The bottom portion and middle portions include second and third cross sections, respectively. The neck includes a fourth cross section smaller than the third cross section. The weights have center holes smaller than the third cross section but larger than the first and fourth cross sections are configured for placement around the neck portion. Example methods of practicing and warming up may use various practice devices.

Abstract: An example of a practice device includes a top portion, a bottom portion, a middle portion extending along a longitudinal axis between the top and bottom portions, a neck portion extending between the top and middle portions, and a plurality of weights. The top portion includes a first cross section and at least two through-holes extending between front and rear surfaces. The bottom portion and middle portions include second and third cross sections, respectively. The neck includes a fourth cross section smaller than the third cross section. The weights have center holes smaller than the third cross section but larger than the first and fourth cross sections are configured for placement around the neck portion. Example methods of practicing and warming up may use various practice devices.