Nic Martin and Jake Kelly are all focus during Wednesday's main session. (Photo: Essendon FC)

The Bombers have completed their first main session in preparation for their round four clash with the Crows.

The players trained with intensity and intent in the skills session on Wednesday, as they strive to claim their first win of the season at Marvel Stadium on Sunday.

See a selection of the club's snaps below, and stay tuned for a performance and injury update this afternoon.