In the case of one of our patients, N., whose head we had on several occasions succeeded in keeping straight while he was writing by directing a pin towards his left cheek, the idea was entertained of utilising this procedure out of doors, and accordingly a long pin was fixed in the collar of his overcoat. There never was the slightest prick on his cheek, but we strongly dissuaded him from the continuation of this objectionable practice. Antagonistic stratagems of this kind are met with in other tics. A curious case of mental trismus is reported by Raymond and Janet,[148] where the patient always spoke through his clenched teeth, but opened his mouth widely enough when showing his tongue or when eating. To overcome the tonic contraction of his masseters he used to insert a minute piece of cork between his jaws, though he could also open them to articulate properly by holding his chin with his hand. Chatin's patient[149] nullified the permanent contraction of his masticatory muscles by insinuating his little finger between the dental arches. In this connection reference may again be made to the fixation attitude adopted by young J.[150] for his left arm, a subterfuge of his own invention which he considered a sovereign remedy. In essence it was nothing else than an efficacious antagonistic gesture, inspired by a tic and become its indispensable complement. Of other ingenious ideas of his brief mention may be made. Convinced of the necessity and possibility of checking the movements of his shoulder, he sought the aid of his "immobilising mattress," an ordinary mattress spread in a corner of the dining-room, on which he flung himself and reclined from morning to night, making the wretched thing his companion, solace, and confidant, who alone understood and could alleviate his tics. In his anxiety to find some point of resistance for his left arm to work against, he had a second and much narrower mattress put under the first, so that prodigious efforts were required on his part to maintain equilibrium on the cylindrical surface. This was exactly what he desired, and for a time he ceased to tic. An equally curious case is that of one of Raymond and Janet's patients afflicted with multiple tics.[151]