Figure 21.
Image depicts whole probe assembly with probe in holder and added flex section as described. Inserts depict probe “T” connector made by attaching a bent paperclip to the top of probe assembly using shrink-tubing. Below left depicts the type of boot shoelace used for flex section creation. The “T” connector is only necessary as a means to attach the whole probe assembly as shown in Figure 18 and is made from a large “jumbo” paper clip.