Found the following hamletworks.org entries referring to line 528

View Commentary Note for 528
528 Grapple them {vnto} <to> thy soule with hoopes of steele,1.3.63

View Immaterial Textual Note for 528
528 Grapple them {vnto} <to> thy soule with hoopes of steele,1.3.63

View Material Textual Note for 528
528 Grapple them {vnto} <to> thy soule with hoopes of steele,1.3.63