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1.
South Indian phallic magnification procedure involving application of bristled insects or water parasites.

It is recorded in the Kama Sutra: "When a man wishes to enlarge his lingam, he should rub it with the bristles of certain insects that live in trees, & then, after rubb.g it for 10 nights with oils, he should again rub it with the bristles as before. By continuing to do this a swelling will be gradually produced in the lingam, & he should then lie on a cot, & cause his lingam to hang down through a hole in the cot. After this he should take away all the pain from the swell.g by using cool concoctions. The swell.g, which is called Suka, & is often brought about among the people of the Dravida country, lasts for life." (Burton op cit, p 174-5)

It is also mentioned in the Sushruta Samhita: "In this text, there are a number of ref.s that allude to diseases
of the genitalia that result from attempts at penile lengthening (Bhishagratna, 1911). The sect.n on pathology
(Nidana-sthana) specifically states: ' ... through practice of getting the (penis abnormally elongated by pricking
the) bristles of a water parasite (Suka) into its body ... {&} a man who foolishly resorts to the practice of getting it abnormally elongated & swollen by plastering it with Suka (a kind of irritating water insect) & not in the usual officinal way.' ({v2} pp. 81, 94) The latter segment implies that there was an accepted method of performing this procedure." (Ashrafian, op cit)
1) The views of Dr. Ashrafian of the Dept. of Biosurgery & Surgical Technology, Imperial College London on Suka Dravidian Penis Enlargement are as follows: "From these accounts, it can be discerned that the application of the bristles of a Suka insect results in an immune mediated reaction that leads to swelling & permanent penile organomegally. The Kama Sutra {'The Kama Sutra of Vatsyayana' RF Burton. London: Kama Shastra Society, 1883, pt vii ch ii, p 174-5} alludes to the finding that these insects are found in trees, whereas in the Sushruta Samhita {'An Engl. trans. of the The Sushruta Samhita' v2. KK Bhishagratna. Calcutta: Bharat Mihir Press, 1911} , the application of water-borne insect bristles leads to genital pathology. ... Suka, therefore, could be a name for one or a variety of arthropods that could transmit & result in genital filariasis & subsequent elephantiasis, cause myiasis by infestation of tissue with fly larvae (Kahn, 1999 {'Myiasis secondary to Sermatobia hominis (human botfly) presenting as a long-standing breast mass' DG Kahn. Arch. Path. & Lab. Medicine, 123 (1999): 829} ) or bring about some other immune mediated condition that induces penile organomegally. This practice no longer seems to exist in the Indian subcontinent." ('An Ancient Indian Method of Penis Lengthening' Hutan Ashrafian. Arch. Sex. Behav. 38 (2009):4-5)

2) "Šūka. ... 1. Small, black ant. ... 2. Elephant " ('Tamil Lexicon' Univ of Madras, 1924-1936, p.1555)
by Moollah_Do_Pyaza August 12, 2011