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 . <EOS>