A tab to be affixed to a can end, the tab comprising: a nose portion located at the front end of the tab; a lift portion located at the back end of the tab, the nose portion and the lift portion having curled or hemmed portions located proximate to a peripheral surface of the tab; a rivet receiving portion located proximate to the nose portion with a rivet hole, the rivet receiving portion being attached to the nose portion; a first surface provided on the tab which is a top surface of the tab; a second surface provided on the tab which is a bottom surface of the tab; the tab being characterised by: one or more arcuate strips provided on the second surface of the tab proximate to the peripheral surface of the tab, said one or more arcuate strips being a thinned portion, or thinned portions, of the tab structured to be formed further into a preselected portion of the curled or hemmed portions of the tab; a wall segment of the curled or hemmed portions of the tab having a vertical rise; said preselected portion having a corner or bend such that a contact portion of the tab, located proximate to said preselected portion, is in contact with the second surface of the tab; wherein an axis bisecting said corner or bend forms an angle (θ 1) of 0 degrees to 40 degrees relative to a vertical axis through said wall segment. a nose portion located at the front end of the tab; a lift portion located at the back end of the tab, the nose portion and the lift portion having curled or hemmed portions located proximate to a peripheral surface of the tab; a rivet receiving portion located proximate to the nose portion with a rivet hole, the rivet receiving portion being attached to the nose portion; a first surface provided on the tab which is a top surface of the tab; a second surface provided on the tab which is a bottom surface of the tab; the tab being characterised by: one or more arcuate strips provided on the second surface of the tab proximate to the peripheral surface of the tab, said one or more arcuate strips being a thinned portion, or thinned portions, of the tab structured to be formed further into a preselected portion of the curled or hemmed portions of the tab; a wall segment of the curled or hemmed portions of the tab having a vertical rise; said preselected portion having a corner or bend such that a contact portion of the tab, located proximate to said preselected portion, is in contact with the second surface of the tab; wherein an axis bisecting said corner or bend forms an angle (θ 1) of 0 degrees to 40 degrees relative to a vertical axis through said wall segment. one or more arcuate strips provided on the second surface of the tab proximate to the peripheral surface of the tab, said one or more arcuate strips being a thinned portion, or thinned portions, of the tab structured to be formed further into a preselected portion of the curled or hemmed portions of the tab; a wall segment of the curled or hemmed portions of the tab having a vertical rise; said preselected portion having a corner or bend such that a contact portion of the tab, located proximate to said preselected portion, is in contact with the second surface of the tab; wherein an axis bisecting said corner or bend forms an angle (θ 1) of 0 degrees to 40 degrees relative to a vertical axis through said wall segment.