Shear cracks between the main wall and cross wall can be corrected using:
Shear cracks between the main wall and cross wall can be corrected using: Correct Answer Toothing
The place where the main and cross wall joins, there can be cracks developed. It is due to poor bonding between walls. Bonding can be increased by toothing, where a projection of brick is done into the other wall, interlocking it.