I found a post on tumblr you might like, its some underwear with an optional bulge "packer" and is also perfectly designed for use with pads. But the problem is the site is giving me a 404 does anyone know if they moved or if theres another place to find them or if the site was just down when I checked? It looks useful.
original post http://kaladis-artist.tumblr.com/post/119464051054/lordhigheverythingelse-equine-aurora
copied across:
(https://41.media.tumblr.com/2fff7a483ac18daf306362ffa7c542c5/tumblr_mwpei3UGDd1t0pt41o1_1280.jpg)
(https://41.media.tumblr.com/b20251accacfec2d9ead1923da56c763/tumblr_mwpei3UGDd1t0pt41o2_1280.jpg)
(https://40.media.tumblr.com/96711d7a6b8d9175db6c7e97a1cc104e/tumblr_mwpei3UGDd1t0pt41o3_1280.jpg)
(https://41.media.tumblr.com/58138249cae739c4a8cf972323e84a99/tumblr_mwpei3UGDd1t0pt41o4_1280.jpg)
(https://40.media.tumblr.com/0579487cc66ae63f70d8b9eeedd0fcea/tumblr_mwpei3UGDd1t0pt41o5_1280.jpg)
(https://36.media.tumblr.com/32c27e4eb7bd4b092701c9e198e0b5ca/tumblr_mwpei3UGDd1t0pt41o6_1280.jpg)
(https://40.media.tumblr.com/b03da0d0c870e8dc98e4e18d89bbec78/tumblr_mwpei3UGDd1t0pt41o7_1280.jpg)
(https://41.media.tumblr.com/7d1dd33cf2999d508d60f43c46727fbd/tumblr_mwpei3UGDd1t0pt41o8_1280.jpg)
(https://40.media.tumblr.com/b26ec94b488f38a4949d509b08ee7016/tumblr_mwpei3UGDd1t0pt41o9_1280.jpg)
(https://40.media.tumblr.com/ced14204a380d2a044bfd890c3cd17e1/tumblr_mwpei3UGDd1t0pt41o10_1280.jpg)
Special design to hold a sanitary napkin in place. Therefore, no need to worry about it slipping out of place during menstruation. Has a swelling in the crotch as a fake male genitalia. Feel more comfortable in a gym or when you receive a massage.Here comes new underwear finally designed for FtM.
※ an artificial genital (included)
1.Pocket in the middle to insert artificial genital.
2.Elastic strap to hold sanitary napkin.
3.Sanitary can be firmly held. No slipping out.
http://www.ajointth.com/shopping.html
That looks awesome, unfortunately I can't read the language the website is in
Bit late I know but I found the website that sells them by googling: http://shallowell.cart.fc2.com/ not sure about posting/shipping outside of Thailand I think the company is? and since I don't have money in my bank I probably won't find out :c Hope it helps