Patent ID: 8813420

Claim:
A method of forming a trellis support system, comprising forming a vertical post, the vertical post comprising: a post front portion; the post front portion comprising a post front aperture; the post front aperture comprising a first aperture portion and a second aperture portion adjacent the first aperture portion; a first post side wall adjacent to the post front portion; a second post side wall opposing the first post side wall; a first post rear portion extending from the first post side wall, a second post rear portion extending from the second post side wall; a number of post rear portions extending from the first and second post side walls, the post rear portions defining a number of rear portion apertures; and forming a cross arm, the cross arm comprising: a cross arm front portion; a first cross arm side wall adjacent to the cross arm front portion; a second cross arm side wall opposing the first cross arm side wall, and a number of cross arm rear portions extending from the first and second cross arm side walls, the cross arm rear portions comprising a number of cross arm tab members dimensioned to engage the rear portion apertures; dimensioning the cross arm front portion, first cross arm side wall, and second cross arm side wall to create an interference fit with respect to the post front portion, first post side wall, and second post sidewall, respectively.