accordance with an embodiment of the present disclosure as shown expansion ring 420 includes a plurality of castellations 421 arranged around a circumference of a first end 422 castellations 421 are configured as a tongue and groove type shape to engage slots 411 of first end 412 of frangible ring 410 fig4 a furthermore castellations 421 act to wedge into slots 411 of frangible ring 410 when axial force is applied to anchoring device 400 and to split frangible ring 410 into individual slip segments 414 fig4 a in one embodiment a second expansion ring may engage slots 411 of second end 413 of frangible ring 410 fig4 a now referring to fig4 and 4c a component view of segmented ring 430 is shown in further detail in accordance with an embodiment of the present disclosure an arcuate segment 431 which along with a plurality of identical segments 431 form segmented ring 430 is shown for further clarification in anchoring device 400 segmented ring 430 is configured to engage second end 413 of frangible ring 410 segment 431 comprises a face 432 which may contact second end 413 of frangible ring 410 and a protrusion 433 configured to engage slot 411 of second end 413 of frangible ring 410 protrusion 433 may be triangular to engage triangular slot 411 fig4 a segment 431 further includes a lip 434 that mates with an inner diameter of frangible ring 410 and of which.